Finding the Fourth Proportional to 1,279,273.60, 1,765,425.09 and 706,349.98
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Solution
The fourth proportional to 1,279,273.60, 1,765,425.09 and 706,349.98 is: 974,778.17
Step by Step Solution
- Step 1: Write the proportion equation
1,279,273.60 : 1,765,425.09 = 706,349.98 : x - Step 2: Convert to fraction form
1,279,273.60/1,765,425.09 = 706,349.98/x - Step 3: Cross multiply
1,279,273.60x = 1,765,425.09 × 706,349.98 - Step 4: Simplify right side
1,279,273.60x = 1,247,007,977,013.00 - Step 5: Solve for x
x = 1,247,007,977,013.00/1,279,273.60 - Step 6: Final answer
x = 974,778.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.